:root {
  --ink: #1d1d1f;
  --ink-2: #424245;
  --ink-3: #6e6e73;
  --ink-4: #86868b;
  --bg: #ffffff;
  --panel: #f5f5f7;
  --panel-2: #e8e8ed;
  --line: rgba(0, 0, 0, 0.08);
  --green: #15803d;
  --green-press: #116a32;
  --green-tint: rgba(21, 128, 61, 0.1);
  --gold: #f5b700;
  --radius-s: 8px;
  --radius-m: 12px;
  --radius-l: 18px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: -apple-system, "SF Pro Display", "SF Pro Text", Inter, system-ui, "Segoe UI", Roboto, sans-serif;
  --max: 1080px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; }
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(21, 128, 61, 0.35); border-radius: 6px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; height: 56px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 8px; color: var(--ink); font-size: 17px; letter-spacing: -0.01em; flex: 1; }
.brand:hover { text-decoration: none; }
.brand .w { color: var(--ink-4); }
.brand .m { color: var(--green); font-weight: 600; }
.nav-links { display: flex; gap: 32px; }
.nav-links a { color: var(--ink-2); font-size: 14px; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-right { flex: 1; display: flex; justify-content: flex-end; align-items: center; gap: 12px; }
.menu-btn { display: none; background: none; border: 0; padding: 10px; margin: -10px; cursor: pointer; color: var(--ink); }
.mobile-menu { display: none; border-top: 1px solid var(--line); padding: 8px 24px 16px; }
.mobile-menu a { display: block; padding: 12px 0; color: var(--ink); font-size: 17px; border-bottom: 1px solid var(--line); }
.mobile-menu a:last-child { border-bottom: 0; }
.nav.open .mobile-menu { display: block; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 22px;
  border-radius: 999px; border: 0;
  font: inherit; font-size: 15px; font-weight: 500;
  cursor: pointer; text-decoration: none;
  transition: background-color 0.2s var(--ease), transform 0.15s var(--ease);
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.98); }
.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { background: var(--green-press); }
.btn-dark { background: var(--ink); color: #fff; min-height: 36px; padding: 0 16px; font-size: 14px; }
.btn-dark:hover { background: #000; }
.btn-ghost { background: var(--panel); color: var(--ink); }
.btn-ghost:hover { background: var(--panel-2); }
.link-more::after { content: " ›"; }

/* Hero */
.hero { text-align: center; padding: 96px 0 72px; }
.eyebrow { color: var(--green); font-size: 15px; font-weight: 500; margin: 0 0 12px; }
.hero h1 { font-size: 64px; line-height: 1.05; letter-spacing: -0.035em; font-weight: 600; margin: 0; }
.hero p.lead { font-size: 21px; color: var(--ink-3); max-width: 560px; margin: 20px auto 32px; line-height: 1.45; }
.cta-row { display: flex; gap: 20px; justify-content: center; align-items: center; flex-wrap: wrap; }
.cta-row a.link-more { font-size: 17px; }

/* Section */
.section { padding: 72px 0; }
.section-alt { background: var(--panel); }
.section h2 { font-size: 40px; line-height: 1.1; letter-spacing: -0.03em; font-weight: 600; margin: 0 0 12px; text-align: center; }
.section .sub { text-align: center; color: var(--ink-3); font-size: 19px; margin: 0 auto 48px; max-width: 560px; }

/* Game tiles */
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.tile {
  background: var(--panel); border-radius: var(--radius-l);
  padding: 32px 24px 0; text-align: center; overflow: hidden;
  display: flex; flex-direction: column; color: var(--ink);
  transition: transform 0.25s var(--ease);
}
a.tile:hover { text-decoration: none; transform: translateY(-2px); }
.tile h3 { font-size: 24px; letter-spacing: -0.02em; font-weight: 600; margin: 0; }
.tile p { color: var(--ink-3); font-size: 15px; margin: 6px 0 14px; }
.tile .tile-links { font-size: 15px; color: var(--green); }
.tile .tile-soon { font-size: 13px; color: var(--ink-4); }
.tile .art { margin: 28px auto 0; width: 78%; aspect-ratio: 16 / 10; border-radius: 14px 14px 0 0; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.06), 0 8px 30px rgba(0,0,0,.06); display: flex; align-items: center; justify-content: center; }

/* Trust */
.trust { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; text-align: center; }
.trust .ic { width: 44px; height: 44px; border-radius: 50%; background: var(--green-tint); color: var(--green); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.trust h3 { font-size: 19px; font-weight: 600; letter-spacing: -0.01em; margin: 0 0 6px; }
.trust p { color: var(--ink-3); font-size: 15px; margin: 0; max-width: 300px; margin-inline: auto; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; counter-reset: s; }
.step { background: #fff; border-radius: var(--radius-m); padding: 24px; }
.step::before { counter-increment: s; content: counter(s); display: inline-flex; width: 28px; height: 28px; border-radius: 50%; background: var(--ink); color: #fff; font-size: 14px; font-weight: 600; align-items: center; justify-content: center; margin-bottom: 12px; }
.step h3 { margin: 0 0 6px; font-size: 17px; font-weight: 600; }
.step p { margin: 0; color: var(--ink-3); font-size: 15px; }

/* FAQ */
.faq { max-width: 680px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 0; font-size: 17px; font-weight: 500; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--ink-4); font-weight: 400; font-size: 22px; line-height: 1; transition: transform 0.2s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 20px; color: var(--ink-3); font-size: 16px; }

/* Article */
.article { max-width: 720px; margin: 0 auto; padding: 72px 24px; }
.article h1 { font-size: 48px; line-height: 1.08; letter-spacing: -0.03em; font-weight: 600; margin: 0 0 16px; }
.article h2 { font-size: 28px; letter-spacing: -0.02em; font-weight: 600; margin: 48px 0 12px; }
.article p, .article li { color: var(--ink-2); font-size: 17px; }
.article .lead { font-size: 21px; color: var(--ink-3); }
.note { background: var(--panel); border-radius: var(--radius-m); padding: 16px 20px; color: var(--ink-2); font-size: 15px; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 32px 0 48px; font-size: 13px; color: var(--ink-4); }
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer a { color: var(--ink-3); margin-left: 20px; }
.footer a:first-child { margin-left: 0; }

/* Responsive */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .menu-btn { display: block; }
  .hero { padding: 64px 0 48px; }
  .hero h1 { font-size: 44px; }
  .hero p.lead { font-size: 18px; }
  .section { padding: 56px 0; }
  .section h2 { font-size: 30px; }
  .section .sub { font-size: 17px; margin-bottom: 32px; }
  .tiles, .trust, .steps { grid-template-columns: 1fr; }
  .tile { display: grid; grid-template-columns: 64px minmax(0, 1fr); column-gap: 16px; align-items: center; text-align: left; padding: 16px; }
  .tile h3, .tile p, .tile .tile-links, .tile .tile-soon { grid-column: 2; }
  .tile .art { grid-column: 1; grid-row: 1 / span 3; margin: 0; width: 64px; height: 64px; aspect-ratio: auto; border-radius: 14px; }
  .tile .art svg { width: 40px; height: 40px; }
  .tile h3 { font-size: 19px; }
  .tile p { margin: 2px 0 4px; font-size: 14px; }
  .trust { gap: 32px; }
  .article { padding: 48px 20px; }
  .article h1 { font-size: 36px; }
  .footer-inner { flex-direction: column; }
  .footer a { margin: 0 16px 0 0; }
}
@media (max-width: 420px) {
  .wrap { padding: 0 16px; }
  .hero h1 { font-size: 38px; }
  .cta-row .btn-green { width: 100%; }
  .nav-right .btn-dark { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}